this post was submitted on 22 Oct 2025
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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I used VirtualBox on Linux to host my Home Assistant server for a while. I kept having odd issues with usb devices. I'd have to disconnect and reconnect them to get them working again.
Many people in the HA help groups say not to use VirtualBox, and at first I thought they were basing that on old info. But then I started having issues, too. On the other hand, kvm has been rock solid for a long time.
So I'm glad to see they continue to develop it, but I wouldn't recommend it for heavy duty use. It's useful to dipping toes into virtualization, or maybe for running systems for the short term (a few hours here and there, or something), but for long term use, I'd go another route. It's certainly easier to set up the network in VirtualBox, I'll grant that - it took me a while to get it right for HA on kvm. (Of course, that's a one-time setup thing, too - I shouldn't have to touch it again. And don't ask me what I did, because I don't remember!)